8284432 has 20 divisors (see below), whose sum is σ = 17286220. Its totient is φ = 3823488.

The previous prime is 8284427. The next prime is 8284433. The reversal of 8284432 is 2344828.

It can be written as a sum of positive squares in 2 ways, for example, as 4734976 + 3549456 = 2176^2 + 1884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8284394 and 8284403.

It is not an unprimeable number, because it can be changed into a prime (8284433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19707 + ... + 20122.

It is an arithmetic number, because the mean of its divisors is an integer number (864311).

Almost surely, 2^8284432 is an apocalyptic number.

It is an amenable number.

8284432 is an abundant number, since it is smaller than the sum of its proper divisors (9001788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8284432 is a wasteful number, since it uses less digits than its factorization.

8284432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39850 (or 39844 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 8284432 is about 2878.2689241973. The cubic root of 8284432 is about 202.3427178846.

The spelling of 8284432 in words is "eight million, two hundred eighty-four thousand, four hundred thirty-two".